Conceptual Physics (12th Edition)

by
Hewitt, Paul G.

Published by
Addison-Wesley

ISBN 10:
0321909100

ISBN 13:
978-0-32190-910-7

Chapter 23 - Think and Explain: 74

Answer

See below.

Work Step by Step

The room-temperature filament has a low resistance, allowing a large current to surge through and burning out the bulb. The electrical resistance of the filament increases as it heats up, reducing the current.